213 results about "Relay transmission" patented technology

The invention discloses an edge computing data transmission and collaborative optimization method based on an ad-hoc network technology, which comprises the following steps: S1, constructing a communication network based on the ad-hoc network technology, and collecting a resource occupancy state and communication link bandwidth information; s2, constructing Fourier neural operator network structure parameters, obtaining optimal structure configuration by using a hunting optimization algorithm, and performing model training; s3, constructing a time sequence feature set based on the collected data, inputting the trained model, and generating an edge network state sequence; s4, scheduling and transmission optimization are carried out based on the state sequence, and an optimal combination scheme is searched by adopting a hunting optimization algorithm; s5, deploying the optimal scheduling and path to an edge ad hoc network, executing multi-hop relay transmission, and supporting path reconstruction and task migration; and S6, collecting actual operation data, comparing the actual operation data with a prediction result, updating model parameters, and executing closed-loop optimization. According to the method, efficient collaboration and dynamic self-adaption of task scheduling and data transmission in an edge computing environment are realized.

The invention discloses an expressway intelligent scheduling system based on air-ground collaborative data, and relates to the technical field of intelligent traffic, and the system comprises a low-altitude aircraft module which is used for monitoring the traffic state of an expressway in real time through a sensor, and generating a multi-sensor fusion data set through a data fusion algorithm; the ground vehicle module is used for communicating with the management and control center module through a vehicle-mounted terminal and receiving traffic guidance information, accident early warning and navigation instructions; the road side unit module is used for monitoring data of lanes and traffic nodes, generating a traffic flow initial data set and carrying out relay transmission on communication data among different modules; and the management and control center module is used for generating traffic guidance information, accident early warning and navigation instructions by using an artificial intelligence algorithm, and issuing the traffic guidance information, accident early warning and navigation instructions to ground vehicles by using a communication network. According to the invention, through cooperation of the low-altitude aircraft, the ground vehicle, the road side unit and the management and control center module, fusion analysis and intelligent scheduling of multi-source data are realized.

The invention relates to the technical field of earthquake monitoring and early warning, in particular to an earthquake early warning analysis system and method based on intelligent equipment. The system comprises a terminal sensing and initial judgment module which collects data through a sensor array, identifies P-wave features by using a dynamic weight adjustment model and generates an encrypted initial alarm; the adaptive network transmission module is used for establishing a dynamic self-organizing network based on a D2D protocol and realizing multi-hop relay transmission of alarms by electing relay nodes; the edge aggregation and verification module is used for executing space-time matching and cross verification on a plurality of alarms in a specific area, judging the authenticity of an event and generating graded early warning information; and the cloud control fusion and actuarial module is used for fusing the regional event data and the professional network data, executing high-precision positioning and earthquake magnitude calculation, and issuing a final early warning instruction. According to the invention, a high-density sensing network is constructed by using massive intelligent devices, the early warning blind area is effectively eliminated, and faster, more accurate and more robust earthquake early warning is realized.

The invention provides a multi-intersection coordinated traffic control synchronization method, device and equipment, and aims to solve the technical problems of inconsistent coordination timing among intersections, lack of a unified decision-making mechanism, fracture of coordination effect and insufficient fault recovery capability in traditional single-intersection independent control. By establishing an inter-intersection communication connection network and a shared data processing system, a weighted coordination framework and an elastic multi-point synchronous control mechanism based on priority distribution are innovatively constructed, and a self-adaptive reconstruction and efficiency-increasing optimization system is established in combination with coordination effect chain analysis and a flow relay adjustment strategy. Layered management of intersection coordination decision and effect relay transmission amplification are systematically realized, and finally a multi-intersection integrated control framework with unified coordination, elastic adjustment, self-adaptive fault tolerance and continuous synergy capabilities is formed. Scientific and reliable technical support and technical basis are provided for application scenes such as urban regional traffic coordinated management, intelligent traffic system multi-point control, traffic jam coordinated treatment, road network efficiency optimization and the like.

The invention discloses a multipath relay transmission method and system for underground confined space construction data, and belongs to the technical field of wireless communication network routing, and the method comprises the steps: obtaining a signal quality parameter of a communication link and a distribution density parameter of an ad hoc network node, and combining the load state of the node and the information of a neighbor node, decision calculation is executed on a plurality of relay nodes in parallel, relay decision vectors corresponding to the relay decision vectors are generated, a plurality of candidate transmission paths are formed through evaluation, construction data blocks to be transmitted are fragmented and distributed to the corresponding optimal candidate transmission paths to be sent in parallel, all received data fragmented sub-blocks are verified and recombined, and the construction data blocks to be transmitted are obtained. And recovering a complete construction data block. A distributed relay decision based on network state feature fusion, data adaptive fragmentation based on path stability and a multipath parallel transmission and feedback optimization mechanism are adopted, so that the data transmission reliability in an underground complex environment can be improved, the transmission delay is reduced, and the dynamic optimization of network performance is realized.

The embodiment of the invention provides a real-time relay transmission method, device and system for fax data, which are applied to a first client front-end device, the first client front-end device is in communication connection with a first fax machine, and the method comprises the following steps: after the first fax machine and a second fax machine are connected in a call, the first client front-end device transmits the fax data to the second fax machine; the first client front-end equipment receives fax data sent by a first fax machine; the first client front-end equipment converts the fax data into an image file; the first client front-end equipment decomposes the image file into a plurality of image units, and a plurality of data packets are obtained after the image units are packaged through an internet protocol; and the first client front-end equipment sends the plurality of data packets to a second fax machine in real time through an Internet session protocol link.

The invention belongs to the technical field of cold chain storage, and provides an intelligent management system and method for cold storage article storage based on big data, and the method comprises the steps: recognizing the shielding state of a temperature sensor from a cold storage laser three-dimensional model, analyzing the cargo stacking density, building a monitoring deviation model in combination with historical temperature data, and marking a shielding high-incidence area; deploying goods-following labels in the shielded high-incidence area and unifying a time reference; switching to a low-frequency wake-up mode when the goods tag is shielded, transmitting data through an adjacent tag relay, enhancing a signal for a temperature sensor, and compensating the temperature based on a monitoring deviation model; fusing the compensated data to generate a space temperature distribution matrix, and predicting temperature change through a time sequence network model in combination with historical data; and marking an abnormal area according to a prediction result, and dynamically adjusting the temperature after AGV rechecking. The system corresponds to the method module, and the problems of data lag and the like caused by sensor shielding are solved.

The invention relates to the technical field of robot equipment, and particularly discloses a micro reconnaissance robot system for networking communication, which comprises a multi-hop relay module, an intelligent routing module, a distributed data transmission module and a self-adaptive spectrum management module, the multi-hop relay module is characterized in that each robot node has autonomous networking capability, the networking time is less than or equal to 10 seconds, and the intelligent routing module is connected with the distributed data transmission module; according to the micro reconnaissance robot system, a hybrid communication protocol (Wi-Fi Mesh + LoRa) is adopted, multi-hop relay transmission in a non-line-of-sight (NLOS) environment is supported, an optimal relay path is automatically selected in the non-line-of-sight (NLOS) environment, transmitting power is dynamically adjusted, networking communication is achieved, the deployment limitation caused by dependence on fixed relay equipment is overcome through a multi-hop relay module, and the reliability of the system is improved. The problems of high power consumption and volume increase caused by high transmitting power are solved by utilizing intelligent routing and dynamic power adjustment, meanwhile, the defect of poor transmission diffraction capability of high-frequency-band millimeter waves is avoided, and the communication reliability and flexibility of the miniature reconnaissance robot in a complex environment are remarkably improved.

The invention belongs to the technical field of power equipment supervision, and particularly relates to a power equipment state monitoring and early warning system based on a distributed sensor, which comprises a multi-modal sensing collaborative acquisition module, an edge node adaptive relay transmission module, a multi-dimensional state evaluation module, a dynamic threshold early warning decision module and an intelligent early warning information pushing module. According to the invention, the acquisition period of each sensor is dynamically adjusted through the multi-modal sensing cooperative acquisition module, the time sequence consistency and high quality of output data are ensured, the edge node adaptive relay transmission module dynamically eliminates unqualified nodes, and the optimal transmission path is screened based on an evaluation function, so that the optimal transmission path is obtained. According to the method, node energy consumption is reduced, real-time and reliable transmission of data is guaranteed, a multi-dimensional state evaluation module constructs an evaluation system from multiple key dimensions to avoid misjudgment, accurate identification and graded early warning are carried out on the abnormal state of the power equipment, a differentiated pushing strategy is made according to the early warning level, and it is ensured that early warning information can reach a key role in time.

The invention provides a roadway global anchor rod cable anchoring force real-time monitoring system and method, anchor rods / anchor cables are installed in drill holes in a roadway top plate and a roadway side part, and the part, outside a locking nut, of the outer surface of a spherical crown part in a tray serves as an annular monitoring area; the dynamometer is arranged between the locking nut and the tray; the guniting-sensing composite layer comprises a guniting layer and a micro film strain sensor array; the in-tunnel processing terminal is connected with the micro film strain sensor array; the ground processing terminal is connected with the in-tunnel processing terminal through the relay transmission equipment; the method comprises the steps that when the anchor rod / anchor cable is installed, the dynamometer and the intelligent sensing unit are synchronously installed; applying a designed pre-tightening force; receiving the strain sequence signal and sending the strain sequence signal to a ground processing terminal; and obtaining strain force data through a strain-axial force calibration model, and carrying out graded early warning. According to the system and the method, unmanned, real-time and intelligent monitoring of the anchoring force state of the roadway global anchor rod cable can be realized.

The invention discloses a federal relay transmission method and system and terminal equipment, and the transmission method comprises the steps: obtaining a model increment generated by each client in a local training model, and carrying out the fragmentation and encryption processing, and obtaining a data unit set; obtaining a path list currently issued by the aggregator, distributing a transmission path for each data unit in the data unit set, and packaging routing information; multi-hop forwarding is carried out on the data unit through the relay node, link index information is recorded and reported to the aggregator, and the aggregator updates the path list based on the link index information; and verifying, decrypting and recombining the received data units in the aggregator, and updating the global model based on the model increment recombined by all the clients. The method is applied to the field of encryption transmission, safe, reliable and efficient transmission of model increment in federated learning can be effectively achieved, and data privacy is protected and the method adapts to a complex network environment through end-to-end encryption, fragmentation parallel transmission and dynamic multi-hop path optimization.

The invention relates to the technical field of optical fiber communication, and discloses an optical fiber optical frequency relay transmission system and method without a phase-locked loop. The optical fiber optical frequency relay transmission system comprises multiple stages of relay stations which are sequentially cascaded through an optical fiber transmission link, and for each stage of relay station, a first photoelectric detector is used for carrying out beat frequency processing on a current-stage optical frequency signal sent by a current-stage regeneration cavity-stabilized laser and an optical frequency signal received from a previous-stage relay station; frequency mixing and summation are carried out on the current-level beat frequency signal and an optical frequency signal transmitted by an upper-level relay station through the data interaction unit, so that noise accumulation generated in a signal transmission process in a traditional phase-locked loop scheme can be thoroughly eliminated; therefore, the noise item in the optical frequency signal output to the user side is completely counteracted, that is, the high-precision original optical frequency signal is provided for the user side, and long-distance and high-precision optical frequency transmission can be realized on the basis of reducing the complexity of system design.

The invention discloses a mine emergency data relay transmission method based on LoRa and 4G fusion, and belongs to the technical field of mine communication. The method comprises the steps that a communication node monitors sensor data in real time, and when key emergency data is recognized, 4G signal strength is automatically detected; when the 4G signal strength is lower than a set threshold value, starting a LoRa multi-hop relay transmission mode, and selecting an optimal relay node through a dynamic relay node discovery and comprehensive preferential algorithm; the key data is transmitted to an exit node with 4G connection capability through a one-hop or multi-hop LoRa link, and is finally uploaded to a command center through a 4G network. According to the invention, through advantage complementation of LoRa and 4G, a hybrid communication network adaptive to a complex mine environment is constructed, and the technical problem of reliable transmission of key data in a communication blind area is effectively solved.

A vehicle communication system includes a plurality of ECUs connected by the communication network including a plurality of communication transmission lines. Each of the ECUs includes an identification unit that identifies a target ECU to be a communication partner, and a relay transmission line and a relay ECU through which communication with the target ECU is routed, a standby time determination unit that determines a transmission standby time based on information on the relay ECU, the transmission standby time being a time from transmission of an activation instruction to another one of the ECUs closest to the ECU along the relay transmission line to transmission of a control signal toward the target ECU, and a communication unit that transmits the control signal after an elapse of the transmission standby time after transmitting the activation instruction to the relay transmission line closest to the ECU.

The invention relates to the technical field of underground measurement-while-drilling data transmission, in particular to an electromagnetic wave mode-while-drilling conversion relay transmission method and system. The method comprises the following steps: acquiring measurement data and transmitting a signal through a double-insulation controlled dipole transmitting structure; receiving the measurement data signal through a repeater arranged along the drill string; determining an equivalent emission impedance characteristic by outputting a detection signal to an external medium and collecting an output end voltage and a current effective value; receiving a propagable guidance response formed by the measurement data signal; judging the type of the current well section based on the equivalent emission impedance characteristic and the propagable guide response; switching to a casing guide injection path or an open hole coupling injection path is selected according to the type of the well section; and carrying out relay forwarding on the signal based on the corresponding emission parameter group. Intelligent identification and conversion of signal modes are achieved, the relay transmission success rate and stability of cased well measurement data signals are improved, the link building distance is shortened, and power consumption and risks caused by working condition uncertainty are reduced.

The invention discloses a 2.4 G-based RSSI (Received Signal Strength Indicator) positioning data relay transmission device and method, and belongs to the technical field of wireless communication. The device comprises a positioning label, a positioning gateway, a relay gateway and a public network gateway. The positioning tag broadcasts a 2.4 G signal containing the ID of the positioning tag; the positioning gateway scans the 2.4 G signal, and generates and broadcasts a data packet in which a positioning gateway address, a data packet number, a relay level and aggregated data are packaged; a relay gateway is switched to a low-power-consumption mode after initialization through a monitoring-learning-synchronization mechanism, wakes up and receives data in a broadcast time window of an upstream gateway of the relay gateway, updates a relay level and forwards the data to a downstream gateway, and therefore multi-hop relay transmission of the data is achieved. And the public network gateway finally uploads the data to a cloud platform or an upper computer. According to the invention, through data aggregation and time synchronization dormancy, the system power consumption is greatly reduced, and long-distance and long-endurance positioning data transmission of battery power supply in a complex environment is realized.

A mobile communication system includes a network and a relay apparatus configured to perform relay transmission for relaying a radio signal transmitted between the network and a user equipment. The relay apparatus is configured to connect to a cell selected through cell selection or cell reselection and perform the relay transmission. Cell information for specifying a desired cell determined to be a connection destination of the repeater apparatus is communicated between the network and the repeater apparatus or between entities in the network.

The application discloses an intelligent scheduling control method for an automobile part automatic assembly line, and relates to the technical field of automatic control, which comprises the following steps: obtaining the task instruction response time length value and the node execution action state change value of each execution unit in a current scheduling period, and calculating the response delay value and the state fluctuation value of the corresponding node; generating a response efficiency value according to the response delay value and the state fluctuation value of each node, and generating a feedback control level label in combination with the node task attribute information; judging whether to perform compression processing based on the feedback control level label and the available idle time value of each node in the current scheduling period, and if the compression condition is met, encoding the response delay value and the state fluctuation value into a compressed feedback data frame; and completing the relay transmission of the compressed feedback data frame in a time period that meets the scheduling idle condition, so that the scheduling delay pressure control, task state accurate maintenance and instruction issuing sequence dynamic optimization of the automobile part automatic assembly line are realized.

A sensing request node includes a transceiver and a processor configured to, in response to determining that a first response node in a sensing area has not returned first sensing data and receiving the first sensing data from at least one second response node in the sensing area, select a third response node from the at least one second response node, transmit relay configuration information to the first response node and the third response node, and receive second sensing data from the third response node. The second sensing data is the first sensing data retransmitted by the first response node to the third response node according to the relay configuration information.

The application relates to the field of radio frequency relays, in particular to a radio frequency relay transmission structure, which comprises a shell, an electromagnetic coil is installed at the bottom of the shell, a placement position for placing contacts is arranged at the middle part of the shell, and a transmission structure is arranged at the upper part of the shell; the transmission assembly comprises a first transmission assembly; the first transmission assembly comprises a magnetic steel, a moving iron core, a connecting rod, a fixing column, a push rod and an elastic piece; the magnetic steel is arranged inside the upper end of the shell, the moving iron core is arranged inside the magnetic steel, one end of the connecting rod is fixed with the moving iron core, the other end of the connecting rod is fixed with one end of the push rod, and the other end of the push rod is fixed with a moving contact; the bottom of the fixing column penetrates through the top of the shell and extends to the same horizontal plane of a static contact; one end of the elastic piece is fixed with the outer wall of the fixing column, and the other end of the elastic piece is fixed with the outer wall of the push rod; the structure is designed concisely; through the design of the spring piece structure, the functions of action, return and fixed direction can be realized, and the structure design is good in process and high in reliability.

The invention relates to the technical field of wireless communication, in particular to an ad hoc network transmission method suitable for a field environment, which comprises the following steps: S1, heterogeneous network architecture design: network nodes are deployed in a non-signal area and are responsible for data acquisition and Mesh relay transmission; the gateway nodes are deployed at the boundary of a signal area and are responsible for 4G / LoRa protocol conversion and cloud forwarding, and each node has the capability of automatically identifying the signal intensity of the current environment; and S3, an intelligent transmission mechanism is adopted, in the starting stage, after the nodes are powered on, cellular network signals are automatically detected, and according to the signal strength, the roles of the network nodes and the competitive gateway nodes are autonomously determined. An autonomous relay transmission mechanism based on the Mesh network is constructed, the network reliability is improved, autonomous roaming and multi-path transmission of the nodes are achieved, the communication success rate in a severe environment is improved, energy consumption distribution is optimized, and the situation that specific nodes deplete energy too early is avoided through dynamic role distribution.

The application provides a kind of unmanned area overhead transmission line network coverage method, along the line deployment multiple as intelligent spacer intelligent network node, node uses modular hot plug structure, equipped with super capacitor and solid-state battery hybrid energy storage system;Through LoRa communication to build distributed wireless mesh ad hoc network, combined with TDMA time division multiple access and AODV adaptive routing protocol;Utilize the power supply of at least two different principle of multi-source fusion self-powered module power supply;Node collects line monitoring data and carries out edge computing processing, and the processed data is transmitted through multi-hop relay transmission of ad hoc network, and then transmitted to the center master station through the main and standby dual-link redundant transmission architecture.The application can realize long-term stable self-power supply and reliable communication of unmanned transmission line, improve the real-time performance of monitoring data transmission and network invulnerability.

The present application discloses a learning assistance method, device, storage medium and electronic device, relating to the technical field of data processing, including: obtaining the learning information of a student in the key learning area in the learning map through information interaction between a cloud server and a client, and generating the learning trajectory of the student based on the learning information; in response to the student triggering a learning collaboration request, determining the request position of the student in the learning map and the first learning grid where the request position is located in a plurality of learning grids based on the learning trajectory; sending a learning collaboration request to target students within a preset grid range based on the relay transmission node corresponding to the first learning grid to match students with similar learning trajectories to respond to the learning collaboration request; and sending the response information of the learning collaboration request to the student in a predetermined recommended order. The present application can improve the response timeliness of students' questions, and students can obtain response information in a timely manner when assistance is needed, improving the learning efficiency and experience of students.

The invention discloses an ad-hoc network device and a survey modeling robot, and belongs to the technical field of mobile robots, the ad-hoc network device comprises an ad-hoc network shell, a placement table and a mobile assembly, the ad-hoc network shell is internally provided with a placement cavity, and a certain side wall of the ad-hoc network shell is provided with an inlet and outlet for communicating the placement cavity with an external space; a plurality of relay suites for ad hoc networks are placed on the placement table; the moving assembly and the placing table are both located in the placing cavity, the moving assembly is provided with a grabbing part and a moving part, the grabbing part is used for grabbing the relay suite, the grabbing part and the moving part are in transmission connection, and the grabbing part can be driven by the moving part to linearly move in the longitudinal direction, the transverse direction and the vertical direction and can be converted from the vertical direction to the transverse direction or from the vertical direction to the longitudinal direction; and the captured relay suite passes through the entrance and exit and extends to the external space for networking, so that when the communication signal is weak in the detection process, the relay transmission of the signal is completed, and the stable data transmission in the long-distance investigation work task is realized.

To allow an abnormality due to a mistake in connection or the like of a transmission line in a relay transmission section to be quickly determined by a simple method in a system including an active system and a standby system.SOLUTION: A signal transmitting device is provided in either an active network or a standby network. The signal transmitting device includes: a system information setting unit that performs system settings; a pilot signal setting unit that determines the frequency of a pilot signal for monitoring or the frequency of a modulated signal to be carried by the pilot signal based on information of the system settings performed by the system information setting unit; and a pilot signal generation unit that generates a pilot signal based on the frequency determined by the pilot signal setting unit.SELECTED DRAWING: Figure 1

The application discloses a special unmanned aerial vehicle cruising relay data transmission system for power inspection, relates to the technical field of data transmission, and comprises the following steps: acquiring the inspection position and inspection data transmitted by the unmanned aerial vehicle in power inspection, and calling the position power characteristics; performing inspection data quality influence prediction, obtaining a predicted data quality influence coefficient, an actual data quality influence coefficient, and a data quality coefficient; analyzing and obtaining an inspection position deviation coefficient; performing inspection data generation network selection optimization, obtaining an optimized generation network group, generating inspection data, and performing relay transmission. The application solves the technical problem that the inspection data of the unmanned aerial vehicle in the existing power inspection is affected by electromagnetic interference and the data quality is low after relay transmission.

The invention discloses a double-path automatic planning and transmission implementation method for time-sensitive network equipment, which comprises the following steps of: (1) determining identity information of redundant path transmission equipment of current TSN (Time Sensitive Network) equipment, the identity information comprising a transmitting end, a receiving end and a relay transmission end; (2) distributing unique ID identifiers to all TSN devices in the whole network; (3) planning two independent data paths 1 and 2, and determining input and output ports of the two paths; and (4) automatically planning VLAN information on the current path 1 and the current path 2. According to the method, the device configuration under each path in the TSN ring network can be automatically constructed only by determining the identity information of the transmitting end, the relay end and the receiving end equipment and planning the path of the key message by a network administrator; and the redundant path of the key transmission is automatically generated by the TSN equipment according to the transmission node and the path without being configured by a network administrator, so that the configuration workload is reduced, and the fault possibility of network crash caused by configuration is reduced.

The invention relates to the technical field of road perception and transmission, and discloses a mountain road operation information full perception transmission and convergence terminal, system and method, and the terminal comprises a Beidou settlement monitoring module, a video microwave fusion perception module, a wireless transmission convergence module and a vehicle relay module. The Beidou settlement monitoring module and the video microwave fusion sensing module are in data connection with the wireless transmission convergence terminal, the wireless transmission convergence module comprises a full-sensing system of an edge calculation module, the structural state and the running state of a mountain road are output, and information which cannot be wirelessly communicated is transmitted through a vehicle relay. The invention aims to realize full perception of road operation information, and integrates Beidou RTK positioning, MEMS inclination angle sensing and distributed optical fiber sensing through the Beidou settlement monitoring module to accurately monitor settlement and inclination states of a road structure. Visible light / infrared videos, vehicle speed, flow and other operation states are synchronously collected through a video microwave fusion sensing module through a multispectral camera and a millimeter wave radar, the road structure and the operation state are comprehensively captured through a space-time alignment algorithm fusion system, and full sensing and full coverage of road operation are achieved in a relay transmission mode.

The embodiment of the invention relates to a data relay transmission method, access point equipment, relay equipment and station equipment. The data relay transmission method is applied to access point equipment, and comprises the following steps: determining a first trigger frame in a transmission opportunity TXOP; wherein the first trigger frame is used for triggering at least one of the following operations: triggering a candidate relay device to measure a channel quality parameter according to the first trigger frame and feed back a channel quality report to an access point device; triggering the station equipment to send a channel measurement frame to the candidate relay equipment; triggering the candidate relay device to send a channel measurement frame to the station device; and sending the first trigger frame to ensure that a relay transmission mode is superior to a direct link transmission mode, so as to optimize the data transmission process and meet the transmission requirement of the UHR.

The invention discloses industrial communication relay equipment and application thereof. The industrial communication relay equipment comprises a magnet, an antenna, an indicator light, a charging port, a charging indicator light, a side panel, a side frame, an RJ45 network interface, a switch button and a hook. The communication relay product is researched and developed based on the Lora technology, the 1.4 G long-distance communication technology and the WIFI technology, the MESH ad hoc network technology is adopted, relay transmission of data can be achieved through a plurality of communication relays so as to achieve the purposes of long-distance communication and obstacle diffraction, the rechargeable lithium battery pack is adopted in the product, the standby time is ultra-long, and the service life of the product is prolonged. And the antenna can be widely applied to places with metal barriers or places needing long-distance communication. The product provided by the invention can realize a WIFI signal receiving function, a Lora signal receiving and sending function and a 1.4 G broadband signal receiving and sending function, supports MESH ad-hoc network, supports the running state of LED display equipment, and is charged by using DC 12V.